Quick answers
- Where does Leah M. Naftalowitz see patients?
- Medicare's clinician data lists 2 practice locations, including Collinsville, IL and Saint Louis, MO. Call before your visit to confirm the address.
- What is Leah M. Naftalowitz's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Leah M. Naftalowitz accept Medicare assignment?
- Yes. Medicare's clinician data says Leah M. Naftalowitz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Leah M. Naftalowitz?
- (618) 346-1111, as listed in official Medicare / NPI Registry data.
- What is Leah M. Naftalowitz's NPI number?
- 1366088734. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Leah M. Naftalowitz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1604 Eastport Plaza Dr, Suite 102Collinsville, IL 62234 (618) 346‑1111
- 6406 Wise AveSaint Louis, MO 63139 (314) 645‑8648
Group practices
Medicare enrollment lists Leah M. Naftalowitz as a member of these groups (CMS data updated 2026-10-02).
- Unity Hospice GSL LLC8 clinicians in the group
- Unity Hospice of Greater St. Louis, LLC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Collinsville
Clinicians with the same Medicare primary specialty in Collinsville, IL — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366088734 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians